Patent application number | Description | Published |
20080204156 | Measuring threshold voltage of transistors in a circuit - In one embodiment, the present invention includes an oscillator to generate a first frequency and a second frequency. The oscillator includes a plurality of stage cells, each stage cell including a first transistor of a first polarity and a second transistor of a second polarity, each coupled between a first voltage node and a first intermediate node and an inverter coupled to the first intermediate node. In operation, a difference between the first frequency and the second frequency is proportional to a threshold voltage of the second transistor. Other embodiments are described and claimed. | 08-28-2008 |
20110279149 | METHOD, APPARATUS, AND SYSTEM FOR MEASURING ANALOG VOLTAGES ON DIE - An analog-to-digital converter (ADC) suitable for measuring on-die DC or low frequency analog voltages may include a ring oscillator having a group of circuit cells successively and circularly coupled. Under certain circumstances, the ring oscillator may produce an output frequency that corresponds substantially linear to the input voltage. Other embodiments may be disclosed or claimed. | 11-17-2011 |
20120062401 | ON-DIE DIGITAL-TO-ANALOG CONVERSION TESTING - In one embodiment, an analog-to-digital conversion in an integrated circuit is evaluated by an on-die testing circuit. For example, the on-die test circuit 370 can characterize one or both of the linearity and monotonicity of the digital-to-analog conversion. The value of a conversion output for a digital input code may be compared to the value of a prior conversion output of a prior step to provide digital difference values for each step of a sweep of digital input codes. Digital difference values may be compared to one or more predetermined limits to provide one or more pass/fail tests on-board the die. Other embodiments are described and claimed. | 03-15-2012 |
20140340129 | FREQUENCY CONTROL SYSTEM WITH DUAL-INPUT BIAS GENERATOR TO SEPARATELY RECEIVE MANAGEMENT AND OPERATIONAL CONTROLS - Methods and systems to control an output frequency relative to a reference frequency. A frequency control system includes a dual-input bias generator to separately receive management and operational controls. The bias generator includes a first bias generator circuit to generate a bias control based on a difference between the management control and a bias feedback reference during a first mode of operation, a second bias generator circuit to generate the bias control based on a difference between the operational control and the bias feedback reference during a second mode of operation, and a bias feedback reference circuit to generate the bias feedback reference based on the bias control. The first mode may include a characterization and/or a start-up mode. The second mode may include an operational mode, such as a feedback-controlled mode. | 11-20-2014 |
Patent application number | Description | Published |
20100080980 | MOLDING PROCESS FOR CORE-CONTAINING COMPOSITES AND COMPOSITES FORMED THEREBY - A process for producing composite structures having a core between resin-impregnated composite layers, and composite structures formed by such a process. The process uses non-impregnated fabric layers and a core layer placed on a mold such that the core layer is between at least two fabric layers, a first of which is disposed between the mold surface and a first surface of the core layer, and a second of which is disposed at a second surface of the core layer. The second fabric layer is then infused with a resin, which flows through holes in the core layer into the first fabric layer, such that the first and second fabric layers are uniformly impregnated with the resin and the core layer is not. The resin is then cured to cause the impregnated first and second fabric layers to bond to the core layer. | 04-01-2010 |
20100196654 | PROCESS FOR PRODUCING COMPOSITE LAMINATE STRUCTURES AND COMPOSITE LAMINATE STRUCTURES FORMED THEREBY - A process for producing resin-impregnated laminate composite structures that comprise a closed-cell core between resin-impregnated fabric layers, and preliminary and composite structures formed by such a process. The process includes stitching a roving in a preliminary structure that includes the core so as to structurally reinforce the core. The roving passes through through-holes in the core and traverses opposite outer surfaces of the preliminary structure. The outer surfaces of the preliminary structure traversed by the roving may be defined by outer surfaces of the core, or the preliminary structure may further include two or more fabric layers on outer surfaces of the core such that the core is between the fabric layers, the roving passes through one or more fabric layers, and at least one of the outer surfaces of the preliminary structure and traversed by the roving is defined by a fabric layer. | 08-05-2010 |
20110167781 | TURBOMACHINE NACELLE AND ANTI-ICING SYSTEM AND METHOD THEREFOR - An anti-icing system and method for an aircraft engine nacelle. The nacelle has an inlet lip that defines a leading edge of the nacelle and has a cross-sectional shape and oppositely-disposed exterior and interior surfaces. An anti-icing system contacts at least the inlet lip of the nacelle. The anti-icing system includes at least one heating element having a cross-sectional shape that conforms to the cross-sectional shape of the inlet lip and in which carbon nanotubes are oriented and arranged to conduct electrical current through the heating element. Passing an electrical current through the heating element causes Joule heating of the heating element and heating of the inlet lip by thermal conduction. | 07-14-2011 |
20110297325 | PROCESS AND APPARATUS FOR PRODUCING COMPOSITE STRUCTURES - A process and apparatus for producing perforated composite structures, such as acoustic skins suitable for aircraft engine nacelle and duct components. The process includes placing a mat member, a non-impregnated fabric member, and a resin film on a tool surface so that pins disposed on the mat member project through the fabric member and resin film to define holes therein. The fabric member is between the mat member and resin film, and the fabric member and resin film define a stack that conforms to the mat member and tool surface. A caul member is then placed on the stack so that apertures in the caul member are penetrated by the pins. The stack is heated to melt the resin film and cause molten resin to infuse the fabric member and yield a resin-infused fabric stack, after which the molten resin within the resin-infused fabric stack is at least partially cured. | 12-08-2011 |
20120305172 | POLYMER COMPOSITE MATERIALS AND PROCESSES THEREFOR - Processes for fabricating polymer composite materials that contain a polymer matrix, reinforcement fabrics, and particles of a filler material. The processes include spraying the particles of the filler material on at least two articles that each comprise at least one of the reinforcement fabrics to form particle-laden articles. The particle-laden articles are stacked to form a stacked structure, and a resin present within the stacked structure is then cured to form a laminate polymer composite material. The process can be employed in the fabrication of at least a portion of an aircraft engine nacelle, for example, the inlet lip of a fan nacelle. | 12-06-2012 |
20120308369 | LAMINATE THERMAL INSULATION BLANKET FOR AIRCRAFT APPLICATIONS AND PROCESS THEREFOR - A thermal insulation blanket for an aircraft engine, and processes for producing the thermal insulation blanket to have low thermal conductivity and high temperature capability. The thermal insulation blanket has a layered construction that includes an aerogel insulation material, a composite layer disposed at a first surface of the aerogel insulation material, and a backing layer disposed at an opposite surface of the aerogel insulation material so that the aerogel insulation material is encapsulated between the composite and backing layers. The composite layer contains a resin matrix material reinforced with a fiber reinforcement material. | 12-06-2012 |
Patent application number | Description | Published |
20090027708 | APPARATUS AND METHOD TO RETRIEVE PRINT OPTIONS FROM PRINT FILE - An apparatus and a method of retrieving print option from a print file include a converting unit to convert a document to print and print options set for the document to print into a print file recognizable at an image forming apparatus, and a driver control unit to retrieve the print options from the print file. | 01-29-2009 |
20140355047 | SYSTEM AND METHOD TO PROVIDE MOBILE PRINTING USING NEAR FIELD COMMUNICATION - A method of mobile printing using near field communication (NFC) includes checking a version of firmware installed in an image forming apparatus; determining whether the checked version of the firmware supports Wi-Fi Direct connection via automatic transmission of a personal identification number (PIN); updating the firmware installed in the image forming apparatus when the checked version of the firmware does not support Wi-Fi Direct connection via automatic transmission of a PIN; encrypting and storing a PIN in an NFC tag attached to the image forming apparatus; setting a Wi-Fi Direct connection by receiving the stored PIN and automatically transmitting the PIN to the image forming apparatus by the mobile device when the mobile device is NFC-tagged to the image forming apparatus; and performing mobile printing via the Wi-Fi Direct connection. | 12-04-2014 |
20140355057 | METHOD AND APPARATUS TO WRITE TAG USING NEAR FIELD COMMUNICATION - A method of writing a near field communication (NFC) tag using a mobile terminal includes establishing a wireless connection between the mobile terminal and an image forming apparatus, extracting a predetermined field value corresponding to a data structure of the NFC tag from information collected while establishing the wireless connection, generating tag information including the predetermined field value by arranging the predetermined field value according to the data structure, and writing the tag information to the NFC tag through NFC tagging. | 12-04-2014 |
20140355063 | METHOD AND IMAGE FORMING APPARATUS USING NEAR FIELD COMMUNICATION - A method of forming an image using a mobile terminal supporting near field communication (NFC) includes launching a mobile application corresponding to an application identifier of tag information of an NFC tag obtained through first NFC tagging, generating data of a job to be performed by an image forming apparatus through the mobile application when the NFC tag is detected again through second NFC tagging, the job being determined according to a state of the mobile application during the second NFC tagging, and transmitting the generated data to the image forming apparatus. | 12-04-2014 |
Patent application number | Description | Published |
20120067581 | MECHANISM FOR TREATING SUBTERANEAN FORMATIONS WITH EMBEDDED ADDITIVES - The subject disclosure discloses mechanisms for embedding and controlling multifunctional additives within a polymer matrix for use in oilfield applications. More particularly, the subject disclosure discloses methods of treating a subterranean formation with a polymer matrix comprising one or a plurality of polymers and one or a plurality of functional additives embedded into this polymer matrix. | 03-22-2012 |
20120175134 | OILFIELD APPARATUS AND METHOD COMPRISING SWELLABLE ELASTOMERS - The subject disclosure discloses apparatus and methods that are particularly suited for creating a seal in a borehole annulus. More particularly, the subject disclosure discloses a seal with enhanced sealing capability. In one embodiment the subject disclosure discloses a reinforced and permanent swellable packer device. | 07-12-2012 |
20130161006 | DOWNHOLE SEALING USING SETTABLE MATERIAL IN AN ELASTIC MEMBRANE - A rubber pocket is described that is suitable for use on tubing, such as a packer-type seal, on casing, such as a cement-type seal, or on liners. The rubber pocket may contain cement particles, rubber particles, swellable particles, cement filled rubber particles, cement filled swellable particles, calcium oxide, magnesium oxide, magnesium sulfate, iron (III) oxide, calcium sulfoaluminate, clay, magnetic particles and/or reactants such as crosslinkers, retardants or epoxy. The particles may be bulk spheres, bulk fibers, hollow spheres, hollow fibers, etc. The rubber pocket or bladder may also be fully or partially filled with fluids such as polymer reactants. The pocket may also be empty or contain a small volume of reactants. The slurry or epoxy or other type of fluid and granular solid or injectable matter can be injected after the completion positioning downhole. | 06-27-2013 |
20130292117 | COMPLIANT SAND SCREEN - Embodiments disclose a sand screen apparatus for use in a well that intersects a hydrocarbon formation. The sand screen apparatus comprises a composite, the composite having a compressed state and an expanded state. In embodiments, the composite comprises a base polymer and one or a plurality of reactive fillers where the reactive fillers react with the base polymer in the expanded state after exposure to a first trigger. | 11-07-2013 |
20140360728 | DEGRADABLE COMPOSITE MATERIALS AND USES - In general, the current application relates to degradable composite and blend materials that have accelerated degradation in water in low temperature conditions, and their various industrial, medical and consumer product uses. In some embodiments, the degradable composite composition comprises a degradable polymer mixed with discrete particles of a filler that acts to accelerate the degradation of the degradable polymer. Such materials degrade in 60 C water in less than 30 days, <14 days, and even <7 days. Various materials are provided that can degrade equally fast at lower temperatures, such as 50 C, or even 40 C. | 12-11-2014 |